Answer:
A. Calculate vector
B. Update vector of each object
C. Update position of each object
Explanation:
Taking assumption of a system in which the forces are a function of the previous step's final position:
Firstly, we calculate the (vector) forces acting on the objects.
Secondly, Update the (vector) momentum of each object
(note: also update the velocity).
Thirdly, Update the (vector) position of each object.
The other operations are as follows;
i. select (dt),
ii. define mass,
iii. Put down constants,
iv. initialize variables, this would occur before the time-step loop is entered.
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Answer: 
Explanation:
We know Haley is driving with an initial velocity of
and then she has to change to a velocity of
in a distance
, and we also know we are dealing with constant acceleration
.
Therefore, the following equation will be useful:
(1)
Clearing
:
(2)
(3)
(4)
Knowing
and
:
this is the constant acceleration that will bring Haley to lower speed
Answer:
Explanation:Assume you are lifting an object with mass 20 kg from the ground to a height of 1.5 m. Assume that you are exerting a constant force in the upward direction and that you are moving the object upward with uniform velocity. The net force on the object is zero. The force you are exerting is equal in magnitude and opposite in direction to the force of gravity. As you are lifting the object you are doing work on the object.
The answer is 150 joules hope this helps